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openSUSE 15 SP4 Kernel Important Fix Four Threats SUSE-SU-2026-0565-1

opensuse
Calendar Grey February 17, 2026
Dist Opensuse Esm H88
Four vulnerabilities in the Kernel for openSUSE have updates available. Ensure your system is secure with the latest fixes.
An update that solves four vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.173 fixes

various security issues

The following security issues were fixed:

* CVE-2023-53321: wifi: mac80211_hwsim: drop short frames (bsc#1250314).

* CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access

(bsc#1249455).

* CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers()

and posix_cpu_timer_del() (bsc#1249205).

* CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in

find_hw_thread_mask() (bsc#1249480).

Topics%20covered

Topics Covered

security advisory security issue important kernel SuSE Linux OpenSUSE

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-565=1 SUSE-SLE-

Module-Live-Patching-15-SP4-2026-562=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-562=1 SUSE-2026-565=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-14-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_150-default-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_36-debugsource-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-8-150400.2.1

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-14-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_150-default-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_36-debugsource-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-8-150400.2.1

References

* bsc#1249205

* bsc#1249455

* bsc#1249480

* bsc#1250314

## References:

* https://www.suse.com/security/cve/CVE-2023-53321.html

* https://www.suse.com/security/cve/CVE-2025-38111.html

* https://www.suse.com/security/cve/CVE-2025-38352.html

* https://www.suse.com/security/cve/CVE-2025-39742.html

* https://bugzilla.suse.com/show_bug.cgi?id=1249205

* https://bugzilla.suse.com/show_bug.cgi?id=1249455

* https://bugzilla.suse.com/show_bug.cgi?id=1249480

* https://bugzilla.suse.com/show_bug.cgi?id=1250314

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0565-1
Release Date: 2026-02-16T18:04:25Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory security issue important kernel SuSE Linux OpenSUSE

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